1399114231 has 2 divisors, whose sum is σ = 1399114232. Its totient is φ = 1399114230.

The previous prime is 1399114187. The next prime is 1399114247. The reversal of 1399114231 is 1324119931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1399114231 - 2¹³ = 1399106039 is a prime.

It is a super-2 number, since 2×1399114231² = 3915041262773442722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1399114271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699557115 + 699557116.

It is an arithmetic number, because the mean of its divisors is an integer number (699557116).

Almost surely, 2^1399114231 is an apocalyptic number.

1399114231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1399114231 is an equidigital number, since it uses as much as digits as its factorization.

1399114231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 34.

The square root of 1399114231 is about 37404.7354087688. The cubic root of 1399114231 is about 1118.4529637392.

The spelling of 1399114231 in words is "one billion, three hundred ninety-nine million, one hundred fourteen thousand, two hundred thirty-one".